El profesor se sorprenderá mucho al ver tu solución correcta😉
3 2 -x + x - x + 2 = 0
________________ / ________________\ / _____ | / _____ | / 43 3*\/ 177 | ___ / 43 3*\/ 177 | 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- | 1 \/ 2 2 2 | 2*\/ 3 \/ 2 2 | x1 = - + --------------------- + ----------------------- + I*|- ----------------------- + ---------------------------| 3 6 ________________ | ________________ 6 | / _____ | / _____ | / 43 3*\/ 177 | / 43 3*\/ 177 | 3*3 / -- + --------- | 3*3 / -- + --------- | \/ 2 2 \ \/ 2 2 /
________________ / ________________ \ / _____ | / _____ | / 43 3*\/ 177 | ___ / 43 3*\/ 177 | 3 / -- + --------- | \/ 3 *3 / -- + --------- ___ | 1 \/ 2 2 2 | \/ 2 2 2*\/ 3 | x2 = - + --------------------- + ----------------------- + I*|- --------------------------- + -----------------------| 3 6 ________________ | 6 ________________| / _____ | / _____ | / 43 3*\/ 177 | / 43 3*\/ 177 | 3*3 / -- + --------- | 3*3 / -- + --------- | \/ 2 2 \ \/ 2 2 /
________________ / _____ / 43 3*\/ 177 3 / -- + --------- 1 4 \/ 2 2 x3 = - - ----------------------- - --------------------- 3 ________________ 3 / _____ / 43 3*\/ 177 3*3 / -- + --------- \/ 2 2
x3 = -(3*sqrt(177)/2 + 43/2)^(1/3)/3 - 4/(3*(3*sqrt(177)/2 + 43/2)^(1/3)) + 1/3
suma
________________ / ________________\ ________________ / ________________ \ ________________ / _____ | / _____ | / _____ | / _____ | / _____ / 43 3*\/ 177 | ___ / 43 3*\/ 177 | / 43 3*\/ 177 | ___ / 43 3*\/ 177 | / 43 3*\/ 177 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- | 3 / -- + --------- | \/ 3 *3 / -- + --------- ___ | 3 / -- + --------- 1 \/ 2 2 2 | 2*\/ 3 \/ 2 2 | 1 \/ 2 2 2 | \/ 2 2 2*\/ 3 | 1 4 \/ 2 2 - + --------------------- + ----------------------- + I*|- ----------------------- + ---------------------------| + - + --------------------- + ----------------------- + I*|- --------------------------- + -----------------------| + - - ----------------------- - --------------------- 3 6 ________________ | ________________ 6 | 3 6 ________________ | 6 ________________| 3 ________________ 3 / _____ | / _____ | / _____ | / _____ | / _____ / 43 3*\/ 177 | / 43 3*\/ 177 | / 43 3*\/ 177 | / 43 3*\/ 177 | / 43 3*\/ 177 3*3 / -- + --------- | 3*3 / -- + --------- | 3*3 / -- + --------- | 3*3 / -- + --------- | 3*3 / -- + --------- \/ 2 2 \ \/ 2 2 / \/ 2 2 \ \/ 2 2 / \/ 2 2
=
/ ________________\ / ________________ \ | / _____ | | / _____ | | ___ / 43 3*\/ 177 | | ___ / 43 3*\/ 177 | | ___ \/ 3 *3 / -- + --------- | | \/ 3 *3 / -- + --------- ___ | | 2*\/ 3 \/ 2 2 | | \/ 2 2 2*\/ 3 | 1 + I*|- ----------------------- + ---------------------------| + I*|- --------------------------- + -----------------------| | ________________ 6 | | 6 ________________| | / _____ | | / _____ | | / 43 3*\/ 177 | | / 43 3*\/ 177 | | 3*3 / -- + --------- | | 3*3 / -- + --------- | \ \/ 2 2 / \ \/ 2 2 /
producto
/ ________________ / ________________\\ / ________________ / ________________ \\ / ________________\ | / _____ | / _____ || | / _____ | / _____ || | / _____ | | / 43 3*\/ 177 | ___ / 43 3*\/ 177 || | / 43 3*\/ 177 | ___ / 43 3*\/ 177 || | / 43 3*\/ 177 | | 3 / -- + --------- | ___ \/ 3 *3 / -- + --------- || | 3 / -- + --------- | \/ 3 *3 / -- + --------- ___ || | 3 / -- + --------- | |1 \/ 2 2 2 | 2*\/ 3 \/ 2 2 || |1 \/ 2 2 2 | \/ 2 2 2*\/ 3 || |1 4 \/ 2 2 | |- + --------------------- + ----------------------- + I*|- ----------------------- + ---------------------------||*|- + --------------------- + ----------------------- + I*|- --------------------------- + -----------------------||*|- - ----------------------- - ---------------------| |3 6 ________________ | ________________ 6 || |3 6 ________________ | 6 ________________|| |3 ________________ 3 | | / _____ | / _____ || | / _____ | / _____ || | / _____ | | / 43 3*\/ 177 | / 43 3*\/ 177 || | / 43 3*\/ 177 | / 43 3*\/ 177 || | / 43 3*\/ 177 | | 3*3 / -- + --------- | 3*3 / -- + --------- || | 3*3 / -- + --------- | 3*3 / -- + --------- || | 3*3 / -- + --------- | \ \/ 2 2 \ \/ 2 2 // \ \/ 2 2 \ \/ 2 2 // \ \/ 2 2 /
=
-2
-2
x1 = 1.1027847152003 + 0.665456951152813*i
x2 = 1.1027847152003 - 0.665456951152813*i
x3 = -1.20556943040059
x3 = -1.20556943040059